Originally Posted by sustutt
Is it possible to sand the transducer underwater? And if so, what material should I use? What are possible problems?
An ablative paint will come off fairly easily with a wire brush or a really abrasive scrub pad. A hard paint will require more, a scraper and
wire brush perhaps. In either case, with care, you will not damage the transducer.
One issue is that while you are exerting pressure applying the tool of choice upward against the transducer, you will be pushing yourself downward away from the work. Using a suction cup with your free hand will allow you to put some elbow
grease into it.